Seiko Cal. 4566 - 741

This Spring Drive model from 1981 features a 34mm Hardlex-Coated Steel case. With its 20mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-bceca442c80a]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1981

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